Comprised of the following:
PP/PCG/D/74/1-2: Dr P W Darby, Orpington Hospital, 1978
PP/PCG/D/74/3-8: Dr B Dasgupta, Calcutta and Darjeeling, 1976-1977
PP/PCG/D/74/9: Dr G F de Witt, University of Malaya, 1978
PP/PCG/D/74/10-14: Dr C C Draper, London School of Hygiene and Tropical Medicine, 1977-1978
PP/PCG/D/74/15-18: Dr A Duggan, Wellcome Museum of Medical Science, 1976
PP/PCG/D/74/19-21: Professor N Dukhanina, Martzinovsky Institute, Moscow, 1977-1978
PP/PCG/D/74/22-23: Dr G P Dutta, Central Drug Research Institute, Lucknow, 1978
PP/PCG/D/74/24: Professor Z Dymowska, Warsaw, 1976
PP/PCG/D/74/25: Dr Dzbenski, Warsaw, 1978
PP/PCG/D/74/26-29: East African Institute of Malaria and Vector Borne Disease, Tanzania, 1976-1977
PP/PCG/D/74/30: Professor G M Edington, Ahmado Bello University, Nigeria, 1977
PP/PCG/D/74/31-33: Dr D Ellis, London School of Hygiene and Tropical Medicine, 1976
PP/PCG/D/74/34-35: Dr D A Evans, London School of Hygiene and Tropical Medicine, 1978
PP/PCG/D/74/36-47: Dr W Ewers, Warnambool, Victoria, Australia, 1976-1977